Draw the mechanism for the synthesis of (1R,5S)-3-oxabicyclo[3.1.0]hexan-2-one

[@user-xs2er4xg9w]

Thank you for the video , i have a question : how can I differentiate between angular and linear heterocompound and to number the substituent ? I mean in the exam how can I know which one is which and to number them .. can you please explain this ..

[@riospeaks859]

Thanks

[@ChemWis]

Welcome